[INFO] fetching crate option-block 0.3.0...
[INFO] testing option-block-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate option-block 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate option-block 0.3.0
[INFO] finished tweaking crates.io crate option-block 0.3.0
[INFO] tweaked toml for crates.io crate option-block 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate option-block 0.3.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8b422c3072ec2113ad7632163de60c6b8343c324aa6d3e19475705f3b486dce
[INFO] running `Command { std: "docker" "start" "-a" "f8b422c3072ec2113ad7632163de60c6b8343c324aa6d3e19475705f3b486dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8b422c3072ec2113ad7632163de60c6b8343c324aa6d3e19475705f3b486dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b422c3072ec2113ad7632163de60c6b8343c324aa6d3e19475705f3b486dce", kill_on_drop: false }`
[INFO] [stdout] f8b422c3072ec2113ad7632163de60c6b8343c324aa6d3e19475705f3b486dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 51769bc23694d63d080ce0ef340fce5afdd08c69e54a7fd8f445520389c13597
[INFO] running `Command { std: "docker" "start" "-a" "51769bc23694d63d080ce0ef340fce5afdd08c69e54a7fd8f445520389c13597", kill_on_drop: false }`
[INFO] [stderr]    Compiling option-block v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 277 | / impl_blocked_optional! {
[INFO] [stdout] 278 | |     /// A fixed block of optionals masked by a [`u8`](u8),
[INFO] [stdout] 279 | |     /// which may thus contain at most 8 elements.
[INFO] [stdout] 280 | |     Block8 Block8IntoIter Block8Iter u8
[INFO] [stdout] 281 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 283 | / impl_blocked_optional! {
[INFO] [stdout] 284 | |     /// A fixed block of optionals masked by a [`u16`](u16),
[INFO] [stdout] 285 | |     /// which may thus contain at most 16 elements.
[INFO] [stdout] 286 | |     Block16 Block16IntoIter Block16Iter u16
[INFO] [stdout] 287 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 289 | / impl_blocked_optional! {
[INFO] [stdout] 290 | |     /// A fixed block of optionals masked by a [`u32`](u32),
[INFO] [stdout] 291 | |     /// which may thus contain at most 32 elements.
[INFO] [stdout] 292 | |     Block32 Block32IntoIter Block32Iter u32
[INFO] [stdout] 293 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 295 | / impl_blocked_optional! {
[INFO] [stdout] 296 | |     /// A fixed block of optionals masked by a [`u64`](u64),
[INFO] [stdout] 297 | |     /// which may thus contain at most 64 elements.
[INFO] [stdout] 298 | |     Block64 Block64IntoIter Block64Iter u64
[INFO] [stdout] 299 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 301 | / impl_blocked_optional! {
[INFO] [stdout] 302 | |     /// A fixed block of optionals masked by a [`u128`](u128),
[INFO] [stdout] 303 | |     /// which may thus contain at most 128 elements.
[INFO] [stdout] 304 | |     Block128 Block128IntoIter Block128Iter u128
[INFO] [stdout] 305 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "51769bc23694d63d080ce0ef340fce5afdd08c69e54a7fd8f445520389c13597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51769bc23694d63d080ce0ef340fce5afdd08c69e54a7fd8f445520389c13597", kill_on_drop: false }`
[INFO] [stdout] 51769bc23694d63d080ce0ef340fce5afdd08c69e54a7fd8f445520389c13597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b165f2f76499b848f888032a538a9e87c2cb11635a1bf52580479a832388d3ba
[INFO] running `Command { std: "docker" "start" "-a" "b165f2f76499b848f888032a538a9e87c2cb11635a1bf52580479a832388d3ba", kill_on_drop: false }`
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 277 | / impl_blocked_optional! {
[INFO] [stdout] 278 | |     /// A fixed block of optionals masked by a [`u8`](u8),
[INFO] [stdout] 279 | |     /// which may thus contain at most 8 elements.
[INFO] [stdout] 280 | |     Block8 Block8IntoIter Block8Iter u8
[INFO] [stdout] 281 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 283 | / impl_blocked_optional! {
[INFO] [stdout] 284 | |     /// A fixed block of optionals masked by a [`u16`](u16),
[INFO] [stdout] 285 | |     /// which may thus contain at most 16 elements.
[INFO] [stdout] 286 | |     Block16 Block16IntoIter Block16Iter u16
[INFO] [stdout] 287 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 289 | / impl_blocked_optional! {
[INFO] [stdout] 290 | |     /// A fixed block of optionals masked by a [`u32`](u32),
[INFO] [stdout] 291 | |     /// which may thus contain at most 32 elements.
[INFO] [stdout] 292 | |     Block32 Block32IntoIter Block32Iter u32
[INFO] [stdout] 293 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 295 | / impl_blocked_optional! {
[INFO] [stdout] 296 | |     /// A fixed block of optionals masked by a [`u64`](u64),
[INFO] [stdout] 297 | |     /// which may thus contain at most 64 elements.
[INFO] [stdout] 298 | |     Block64 Block64IntoIter Block64Iter u64
[INFO] [stdout] 299 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 301 | / impl_blocked_optional! {
[INFO] [stdout] 302 | |     /// A fixed block of optionals masked by a [`u128`](u128),
[INFO] [stdout] 303 | |     /// which may thus contain at most 128 elements.
[INFO] [stdout] 304 | |     Block128 Block128IntoIter Block128Iter u128
[INFO] [stdout] 305 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling option-block v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 277 | / impl_blocked_optional! {
[INFO] [stdout] 278 | |     /// A fixed block of optionals masked by a [`u8`](u8),
[INFO] [stdout] 279 | |     /// which may thus contain at most 8 elements.
[INFO] [stdout] 280 | |     Block8 Block8IntoIter Block8Iter u8
[INFO] [stdout] 281 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 283 | / impl_blocked_optional! {
[INFO] [stdout] 284 | |     /// A fixed block of optionals masked by a [`u16`](u16),
[INFO] [stdout] 285 | |     /// which may thus contain at most 16 elements.
[INFO] [stdout] 286 | |     Block16 Block16IntoIter Block16Iter u16
[INFO] [stdout] 287 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 289 | / impl_blocked_optional! {
[INFO] [stdout] 290 | |     /// A fixed block of optionals masked by a [`u32`](u32),
[INFO] [stdout] 291 | |     /// which may thus contain at most 32 elements.
[INFO] [stdout] 292 | |     Block32 Block32IntoIter Block32Iter u32
[INFO] [stdout] 293 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 295 | / impl_blocked_optional! {
[INFO] [stdout] 296 | |     /// A fixed block of optionals masked by a [`u64`](u64),
[INFO] [stdout] 297 | |     /// which may thus contain at most 64 elements.
[INFO] [stdout] 298 | |     Block64 Block64IntoIter Block64Iter u64
[INFO] [stdout] 299 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 301 | / impl_blocked_optional! {
[INFO] [stdout] 302 | |     /// A fixed block of optionals masked by a [`u128`](u128),
[INFO] [stdout] 303 | |     /// which may thus contain at most 128 elements.
[INFO] [stdout] 304 | |     Block128 Block128IntoIter Block128Iter u128
[INFO] [stdout] 305 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "b165f2f76499b848f888032a538a9e87c2cb11635a1bf52580479a832388d3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b165f2f76499b848f888032a538a9e87c2cb11635a1bf52580479a832388d3ba", kill_on_drop: false }`
[INFO] [stdout] b165f2f76499b848f888032a538a9e87c2cb11635a1bf52580479a832388d3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 47369c8da09155af9af50fe9fc53194619dd37341c89f26ad7f8935244ad6c60
[INFO] running `Command { std: "docker" "start" "-a" "47369c8da09155af9af50fe9fc53194619dd37341c89f26ad7f8935244ad6c60", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stdout] running 6 tests
[INFO] [stderr]     |
[INFO] [stdout] test tests::capacity_tests ... ok
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout] test tests::check_iterators ... ok
[INFO] [stderr]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout] test tests::default_getters ... ok
[INFO] [stderr]     |                           |
[INFO] [stdout] test tests::insert_replace_semantics ... ok
[INFO] [stderr]     |                           this lifetime flows to the output
[INFO] [stdout] test tests::size_tests ... ok
[INFO] [stderr] ...
[INFO] [stdout] test tests::indexing_operations ... ok
[INFO] [stderr] 277 | / impl_blocked_optional! {
[INFO] [stdout] 
[INFO] [stderr] 278 | |     /// A fixed block of optionals masked by a [`u8`](u8),
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 279 | |     /// which may thus contain at most 8 elements.
[INFO] [stdout] 
[INFO] [stderr] 280 | |     Block8 Block8IntoIter Block8Iter u8
[INFO] [stderr] 281 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this lifetime flows to the output
[INFO] [stderr] ...
[INFO] [stderr] 283 | / impl_blocked_optional! {
[INFO] [stderr] 284 | |     /// A fixed block of optionals masked by a [`u16`](u16),
[INFO] [stderr] 285 | |     /// which may thus contain at most 16 elements.
[INFO] [stderr] 286 | |     Block16 Block16IntoIter Block16Iter u16
[INFO] [stderr] 287 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this lifetime flows to the output
[INFO] [stderr] ...
[INFO] [stderr] 289 | / impl_blocked_optional! {
[INFO] [stderr] 290 | |     /// A fixed block of optionals masked by a [`u32`](u32),
[INFO] [stderr] 291 | |     /// which may thus contain at most 32 elements.
[INFO] [stderr] 292 | |     Block32 Block32IntoIter Block32Iter u32
[INFO] [stderr] 293 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this lifetime flows to the output
[INFO] [stderr] ...
[INFO] [stderr] 295 | / impl_blocked_optional! {
[INFO] [stderr] 296 | |     /// A fixed block of optionals masked by a [`u64`](u64),
[INFO] [stderr] 297 | |     /// which may thus contain at most 64 elements.
[INFO] [stderr] 298 | |     Block64 Block64IntoIter Block64Iter u64
[INFO] [stderr] 299 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this lifetime flows to the output
[INFO] [stderr] ...
[INFO] [stderr] 301 | / impl_blocked_optional! {
[INFO] [stderr] 302 | |     /// A fixed block of optionals masked by a [`u128`](u128),
[INFO] [stderr] 303 | |     /// which may thus contain at most 128 elements.
[INFO] [stderr] 304 | |     Block128 Block128IntoIter Block128Iter u128
[INFO] [stderr] 305 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `option-block` (lib) generated 5 warnings (run `cargo fix --lib -p option-block` to apply 5 suggestions)
[INFO] [stderr] warning: `option-block` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/option_block-329b4a0366a0617b)
[INFO] running `Command { std: "docker" "inspect" "47369c8da09155af9af50fe9fc53194619dd37341c89f26ad7f8935244ad6c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47369c8da09155af9af50fe9fc53194619dd37341c89f26ad7f8935244ad6c60", kill_on_drop: false }`
[INFO] [stdout] 47369c8da09155af9af50fe9fc53194619dd37341c89f26ad7f8935244ad6c60